41 × 8/123 + 16 × 9/123 + 32 × 11/123 如何简便
41 × 8/123 + 16 × 9/123 + 32 × 11/123 如何简便
日期:2022-02-01 06:36:45 人气:1
41 × 8/123 + 16 × 9/123 + 32 × 11/123
=41 × 8/123 + 2×8 × 9/123 + 8×4 × 11/123
=(41 + 18 + 44) × 8/123
=103 × 8/123
=824/123
=41 × 8/123 + 2×8 × 9/123 + 8×4 × 11/123
=(41 + 18 + 44) × 8/123
=103 × 8/123
=824/123